New on-set footage from Thor: Ragnarok reveals a new encounter between the God of Thunder and his brother, Loki. Chris Hemsworth will be back in cinemas in less than two months with his third go-round as the powerful Asgardian. But of course, it wouldn’t be a Thor film without his conniving brother, played by Tom Hiddleston. While their relationship may have had its ups and downs, they will have to work together well this time to save Asgard from total destruction brought about by the...